20030202131 has 2 divisors, whose sum is σ = 20030202132. Its totient is φ = 20030202130.

The previous prime is 20030202053. The next prime is 20030202151. The reversal of 20030202131 is 13120203002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20030202131 - 2¹⁸ = 20029939987 is a prime.

It is a super-2 number, since 2×20030202131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20030202151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015101065 + 10015101066.

It is an arithmetic number, because the mean of its divisors is an integer number (10015101066).

Almost surely, 2^20030202131 is an apocalyptic number.

20030202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20030202131 is an equidigital number, since it uses as much as digits as its factorization.

20030202131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20030202131 its reverse (13120203002), we get a palindrome (33150405133).

The spelling of 20030202131 in words is "twenty billion, thirty million, two hundred two thousand, one hundred thirty-one".